Gaya APA
Dowling, W, F., Sayles, L, R. (1978).
How Managers Motivate The Imperatives Of Supervision .
America:
Mc- Graw Hill Book Copany.
Gaya MLA
Dowling, Wiliam, F., Sayles, Leonard, R.
"How Managers Motivate The Imperatives Of Supervision".
America:
Mc- Graw Hill Book Copany,
1978.
Text.